CN2070359U - 油压扩底钻头检测控制装置 - Google Patents
油压扩底钻头检测控制装置 Download PDFInfo
- Publication number
- CN2070359U CN2070359U CN 90220037 CN90220037U CN2070359U CN 2070359 U CN2070359 U CN 2070359U CN 90220037 CN90220037 CN 90220037 CN 90220037 U CN90220037 U CN 90220037U CN 2070359 U CN2070359 U CN 2070359U
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- Prior art keywords
- oil cylinder
- reversal valve
- type reversal
- bottom expanding
- oil
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Abstract
Description
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 90220037 CN2070359U (zh) | 1990-09-12 | 1990-09-12 | 油压扩底钻头检测控制装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 90220037 CN2070359U (zh) | 1990-09-12 | 1990-09-12 | 油压扩底钻头检测控制装置 |
Publications (1)
Publication Number | Publication Date |
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CN2070359U true CN2070359U (zh) | 1991-01-30 |
Family
ID=4898655
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 90220037 Withdrawn CN2070359U (zh) | 1990-09-12 | 1990-09-12 | 油压扩底钻头检测控制装置 |
Country Status (1)
Country | Link |
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CN (1) | CN2070359U (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102777165A (zh) * | 2012-07-23 | 2012-11-14 | 太仓市旭达机械设备有限公司 | 扩底钻头检测控制装置 |
-
1990
- 1990-09-12 CN CN 90220037 patent/CN2070359U/zh not_active Withdrawn
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102777165A (zh) * | 2012-07-23 | 2012-11-14 | 太仓市旭达机械设备有限公司 | 扩底钻头检测控制装置 |
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Legal Events
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C06 | Publication | ||
PB01 | Publication | ||
COR | Change of bibliographic data |
Free format text: CORRECT: DESIGNER; FROM: YANG ZHONGKUN TO: XIANG ZHONGKUN |
|
CU01 | Correction of utility model patent |
Correction item: Designer Correct: Xiang Zhongkun False: Yang Zhongkun Page: The title page |
|
CU03 | Correction of utility model patent gazette |
Correction item: Designer Correct: Xiang Zhongkun False: Yang Zhongkun Number: 5 Page: 95 Volume: 7 |
|
ERR | Gazette correction |
Free format text: CORRECT: DESIGNER; FROM: YANG ZHONGKUN TO: XIANG ZHONGKUN |
|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C19 | Lapse of patent right due to non-payment of the annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |